/ Dictionary / Index T thread silk: Meaning and Definition of Find definitions for: thread' silk" Pronunciation: [key] silk yarn produced by a silk throwster. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thread rope threadworm Related Content Daily Word Quiz: drowsy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language